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14443040 = 255194751
BaseRepresentation
bin110111000110…
…001000100000
31000011210010102
4313012020200
512144134130
61233321532
7233522663
oct67061040
930153112
1014443040
1181752a7
124a062a8
132cb8ca1
141cbd6da
151404645
hexdc6220

14443040 has 48 divisors (see below), whose sum is σ = 35925120. Its totient is φ = 5472000.

The previous prime is 14443027. The next prime is 14443043. The reversal of 14443040 is 4034441.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14443043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665 + ... + 5415.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 214443040 is an apocalyptic number.

14443040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14443040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17962560).

14443040 is an abundant number, since it is smaller than the sum of its proper divisors (21482080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14443040 is a wasteful number, since it uses less digits than its factorization.

14443040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785 (or 4777 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 14443040 is about 3800.3999789496. The cubic root of 14443040 is about 243.5302257467.

Adding to 14443040 its reverse (4034441), we get a palindrome (18477481).

The spelling of 14443040 in words is "fourteen million, four hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 4751 9502 19004 23755 38008 47510 76016 90269 95020 152032 180538 190040 361076 380080 451345 722152 760160 902690 1444304 1805380 2888608 3610760 7221520 14443040